Foundation reuse creates sustainable landmark
An extensive sustainability agenda, incorporating the reuse of existing piles, resulted in a 16-storey London commercial development replacing an old eight-storey structure.
Maximising the available office space within a city centre commercial development is always one of the prime objectives for any project.
The reuse of existing piles on a project at 6 Bevis Marks in the City of London has not only allowed a 16-storey structure to replace an old eight-storey building, doubling the lettable space, but cost, programme and C02 savings have also been achieved.
“A steel framed structure with precast slabs was demolished and replaced with a 16-storey steel structure incorporating composite deck,” says Julian Traxler, Waterman Structures Director. “This lighter form of construction allowed us to reuse the existing foundations and achieve the net lettable areas the client wanted.”
A total of 67 piles were reused, while the existing retaining walls were also incorporated into the new building, all of which contributed to a carbon saving of approximately 1,000t.
Reusing 52% of the original structure contributed significantly to the shortening of the construction programme and the aim of achieving a BREEAM ‘Excellent’ rating.
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